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Posted to notifications@iotdb.apache.org by "lisijia (Jira)" <ji...@apache.org> on 2021/12/21 10:32:00 UTC

[jira] [Created] (IOTDB-2188) Too much unseq-data may cause OOM when merging.

lisijia created IOTDB-2188:
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             Summary: Too much unseq-data may cause OOM when merging.
                 Key: IOTDB-2188
                 URL: https://issues.apache.org/jira/browse/IOTDB-2188
             Project: Apache IoTDB
          Issue Type: Improvement
            Reporter: lisijia


In a cross space compaction, we need to read all chunks in non-sequential chunks at one time and merge them with sequential files one by one.  

 

When there is too much useq-data, all the chunks may consume a lot of memory.



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